a couple of years later, you're watching on cnn another shooting that took place in up -- upstate new york. what was your reaction to that? guest: that was almost two years after the shot -- after the shooting i had been involved in. i have learned a great deal about how the situation i was involved in king to be. how the school knew the student, the mental health policies, and gun policies, how this person was allowed to buy a gun, despite having the federal record that prohibited them from doing so. he had a mental adjudication. i had not seen other shootings. i cannot watch them. -- had not watched them. i cannot turn away. i watched the news unfold and i thought, this is how the whole world saw what happened to me. now i am seeing it happen to somebody else. yet, we change nothing. there have been no progressions in terms of gun policy or mental health policy. what gives? the end of that day was my pivot point. at that point, i said, look, i have to do whatever i can to address this issue. i became involved with the british campaign and have been involved ever since. -- the brady